Sharks!

How many kinds of sharks are dangerous to people?

• 0

• 7

• 13

• All of them.

A shark's skin is covered in tiny bumps like teeth. What are they called?

• Exoskeleton

• Cartilage

• Denticles

• Gills

What is the smallest shark?

• Pygmy

• Miniature

• Nurse

• Blue

What is the largest shark?

• Great White

• Whale

• Hammerhead

• Blue

How long ago did sharks appear on Earth?

• only 10 million years ago

• about 100 million years ago

• more than 300 million years ago

• more than 500 million years ago

What is a baby shark called?

• a pup

• a kid

• a sharkling

• a kit

How is cartilage different from bone?

• It is heavier

• It is lighter

• It is stiffer

• It is green

What is NOT true about shark's teeth?

• They grow constantly

• They fall out to make room for new teeth

• There are several rows of teeth

• They never lose their teeth

How fast can some sharks swim?

• up to 40 miles per hour

• up to 60 miles per hour

• up to 80 miles per hour

• up to 100 miles per hour

True or False: If a shark stops swimming, it will sink.

• True

• False